Finding the Fourth Proportional to 19,708,453.24, 27,198,442.20 and 11,335,809.28
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Solution
The fourth proportional to 19,708,453.24, 27,198,442.20 and 11,335,809.28 is: 15,643,863.56
Step by Step Solution
- Step 1: Write the proportion equation
19,708,453.24 : 27,198,442.20 = 11,335,809.28 : x - Step 2: Convert to fraction form
19,708,453.24/27,198,442.20 = 11,335,809.28/x - Step 3: Cross multiply
19,708,453.24x = 27,198,442.20 × 11,335,809.28 - Step 4: Simplify right side
19,708,453.24x = 308,316,353,492,303.56 - Step 5: Solve for x
x = 308,316,353,492,303.56/19,708,453.24 - Step 6: Final answer
x = 15,643,863.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.